package com.itstu.gulimall.product.exception;

import com.itstu.common.exception.BizCodeEnume;
import com.itstu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import java.util.HashMap;
import java.util.Map;

/**
 *
 * 集中处理controller层的各种异常
 * @author shhjiang_001
 * @create 2020-05-03 22:54
 */
@Slf4j
//@ResponseBody
//@ControllerAdvice(basePackages = "com.itstu.gulimall.product.controller")

// 能够自动感知异常
@RestControllerAdvice(basePackages = "com.itstu.gulimall.product.controller")
public class GulimallExceptionControllerAdvice {
    @ExceptionHandler(value = MethodArgumentNotValidException.class)
    public R handleValidException(MethodArgumentNotValidException e){
      log.error("数据校验出现问题{},异常类型:{}",e.getMessage(),e.getClass());
        BindingResult bindingResult = e.getBindingResult();
        Map<String, String> map = new HashMap<>();
        bindingResult.getFieldErrors().forEach(fieldError -> {
            map.put(fieldError.getField(),fieldError.getDefaultMessage());

        });
        return R.error(BizCodeEnume.VAILD_EXCEPTION.getCode(),BizCodeEnume.VAILD_EXCEPTION.getMsg()).put("data",map);
    }
    @ExceptionHandler(value = Throwable.class)
    public R handleException(Throwable throwable){
        return R.error(BizCodeEnume.UNKNOW_EXCEPTION.getCode(),BizCodeEnume.UNKNOW_EXCEPTION.getMsg());
    }

}
